Air Conditioning woes
Djdawson2 at aol.com
Djdawson2 at aol.com
Fri May 31 00:13:10 EDT 2002
Hi all,
Looking for a little help/advice. Just recently bought my 200 20v, and now
that it's getting hot... time to troubleshoot the inop AC.
I'm not getting voltage to the compressor clutch. I've checked both the high
and low cutout switches, no problem there.
I jumped voltage to the compressor, works fine and actually blows very cold
air. Pressures are good, about 250 hi side and 36 low side at idle. That's
a plus!
I attempted to trace the voltage supply line for the clutch back to its
relay, and there is where I ran into trouble. Bentley says position 4 on the
aux relay panel. I'm looking at the panel above the clutch pedal, right?
Relay 4 is that noise-maker for door ajar/key in... So I checked relay 5,
just to 4's right, and that is the lamp warning relay, just as indicated in
Bentley. So I'm pretty convinced I'm looking at the correct position, but
the wrong relay.
Is it possible the ac relay is located elsewhere? Any BTDTs? Shortcuts
maybe that might cause a "no voltage" situation at the comp clutch?
Any help would be greatly appreciated.
TIA,
Dave
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